Footwear storage rack



FIG. 1 is an isometric view of a footwear storage rack showing my new design;

FIG. 2 is a side elevation view.

FIG. 3 is a front and rear elevation view;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view. 

The ornamental design for a footwear storage rack, as shown and described. 